Best Application Development Software for Gusto

Rayven designs and delivers operational systems for industrial and asset-intensive businesses. We connect fragmented data from IT, OT, IoT, files, and existing systems - anything - without rip-and-replace, then turn it into automation and made-to-fit operational solutions that run in a single environment. Rayven is built for real operational conditions - sites, assets, field teams, production, logistics, and infrastructure. Teams get real-time visibility and automated workflows that reduce manual work, close gaps between systems, and improve coordination across operations. Everything is delivered end-to-end. Rayven designs the solution, provides the underlying technology, deploys it, and supports it over time - without requiring internal development teams or large implementation projects. Rayven works directly with customers and via partners through white-label and co-branded solutions. Based in Australia and New Zealand, supporting industrial organisations globally.

Guru is the AI Source of Truth for your company. It’s an AI knowledge platform that connects everything your teams know—across chats, docs, and apps—into one trusted layer that delivers cited, permission-aware answers everywhere you work. Guru automatically connects to tools like Slack, Teams, Google Drive, Confluence, Salesforce, Zendesk, and more, so employees and AI assistants can access verified knowledge directly in their workflow. Every answer shows where it came from, inherits existing permissions, and stays accurate automatically through built-in verification and expert updates. By connecting knowledge, making it accessible everywhere, and keeping it trustworthy automatically, Guru eliminates manual searches and ensures everyone—human or AI—works from the same truth.

Boss Insights’ platform digitizes lending to grow relationships between banks and their business clients. Thanks to Amazon style advancement, there is a growing divide between lenders’ service and businesses’ expectations. Banks excel in regulation, however, operate with limited information on their business clients (out of date and gathered manually). Boss Insights’ API hub empowers lenders to bridge the divide. APIs are the most efficient way to digitize existing processes enabling accelerated service and a complete view in real time. The platform is used to accelerate SBA, SMB and Commercial Lending from months to minutes. It also supports cross-selling products empowering banks and credit unions to proactively serve customers.

Plaid is a global fintech infrastructure platform that enables businesses and consumers to securely connect to financial data and services. Through APIs that connect to more than 12,000 financial institutions across 20+ countries, Plaid operates the world’s largest open banking data network. By removing the complexity of direct bank integrations, Plaid enables developers, financial institutions, and enterprises to build secure, user-friendly, and conversion-optimized financial products. Plaid powers payments, lending, identity verification, fraud prevention, and personal finance applications. Today, more than 100 million people worldwide, including half of U.S. adults, have relied on Plaid through their connections to over 7,000 apps and services.

Organize your Code Snippets by assigning labels or grouping into folders. Generate Code Screenshots, Share and Discover reusable snippets. Codekeep lets you store and share bits of code with other users. Snippets can be organized into folders/labels for reuse. Tagging Labels and Organizing code snippets lets you quickly find and reuse the snippets you want. No more switching back and forth between IDES to find the code snippets or open your code repository to find what you need. Organize your code snippets!! Save time and Increase productivity. Reduce context switching. Switching between projects to find reusable snippets. Store snippets here for later use. Keep your notes here. Use CodeKeep while learning to create snippets containing the summary. Search for snippets. Quickly find reusable and modular snippets. Reuse snippets. Import snippets using CodeKeep extension, for later reference.

Merge is the leading
Unified API platform that enables B2B software companies to add hundreds of integrations to their products—making it easy for them to access and sync their customers’ data. ‍Merge's Unified APIs provide normalized data across key software categories, including accounting, HRIS, ATS, CRM, file storage, and ticketing. Merge also handles the full integrations lifecycle—from an easy initial build that takes just weeks to providing integration observability tools to help your customer-facing teams manage integrations. Thousands of companies—like BambooHR, Ramp, and Ema—trust Merge to power integrations that unblock sales, reduce customer churn, accelerate time to market for new products, and save engineering costs and resources.

Workato is the operating system for today’s fast-moving business. Recognized as a leader by both Gartner and Forrester, it is the only AI-based middleware platform that enables both business and IT to integrate their apps and automate complex business workflows with security and governance. Given the massive and growing fragmentation of data, apps, and business processes in enterprises today, our mission is to help companies integrate and automate at least 10 times faster than traditional tools and at a tenth of the cost of ownership. We believe Integration is a mission-critical, neutral technology for the dynamic and heterogeneous IT environments of today. We are the only technology vendor backed by all 3 of the top SaaS vendors: Salesforce, Workday, and ServiceNow. Trusted by world's top brands as well as its fastest-growing innovators, we are most appreciative of the fact that customers recognize us as being among the best companies to do business with.

The world is moving towards more standardized, open, and interconnected data systems. However, employment infrastructure remains complex, closed, and fragmented. Our mission is to democratize access to the infrastructure that underpins the employment sector and unlock much-needed innovations and create tremendous economic activities for both employers and employees. Seamlessly connect to payroll and HR systems. Employee data is dispersed across many closed systems. Finch smoothes over the difference between systems and unifies access with a single integration to support many innovative use cases. As we add new systems, you can turn them on in one click. Let employers grant your application access to their payroll and HR systems. Finch Connect makes this process instant, secure, and compliant. We obsess over the right abstractions and the developer experience to design the simplest, yet most powerful, API interface for payroll and HR systems.

Nango is the most comprehensive product integration platform, enabling developers to ship integrations with over 300 APIs in hours. It abstracts away API specificities through pre-built integrations, developer tooling, and UI components. With Nango, you gain full control over the code and access to external APIs, allowing you to build exactly the integrations your customers need as if you were building in-house. The platform offers built-in support for all authorization types and quirks, a single interface with your own data models, and seamless UIs for best-in-class integration experiences. Developer tools are configured per API, handling pagination, rate limits, and more. Nango also provides an AI co-pilot trained on hundreds of integrations to assist in building custom solutions. For those requiring expert assistance, Nango offers access to API experts and an integrations service where Nango engineers build custom integrations for you.

Enterprises use Quickwork to build simple and complex workflows, create and publish secure APIs, and manage conversational interactions with customers, employees, and partners to provide a great user experience. Quickwork provides an all-in-one platform with the tools and services you need to build powerful & scalable integrations, serverless APIs, conversational experiences, and a lot more. Simply drag and drop the applications you wish to use to build powerful integrations without writing a single line of code. Choose from 1,000s of business, consumer, AI, analytics, messaging, and IoT apps to create an automated workflow you can imagine. Convert any workflow into an API with Quickwork’s single-click API management. Share your APIs securely with built-in authentication mechanisms and scale elastically with our serverless infrastructure. Build and manage real-time conversational and messaging workflows with human agents, chatbots, and IoT devices across multiple channels.

Knit offers a common data model for all apps within a category along with world class data security. So, integrating hundreds of apps is not only easier, it’s also safer for you. Users stay within your own app while integrating with the apps they use. Our embedded integrations, white-labelled auth and drop-in frontend components help your users power integrations with just a few clicks. With Knit you can skip the data transformation nuances and complex processes for different APIs and scale integrations 10x faster. Knit maps different data schemas from different applications into a single, unified data model for each category of integrations and syncs the normalized data in real-time. Knit is the only unified API that does not store any of your end user data on its servers. The syncs happen over a 100% webhook-based architecture for enhanced data security.

Truto is built to be declarative from the ground up. You can add new and customize every existing Integration and Unified API that we provide. Play around with the product without having to plug in your real accounts. We provide sandbox accounts for all the integrations that we support. We believe that the best developer experience is achieved by hand-crafting SDKs. We understand how frustrating it is when the API and documentation differ like oranges and apples. Truto offers options to store data in a region of your choice. Push data from third-party APIs directly to your database. Truto offers support for vector databases too. With self-hosting options, data will never leave your virtual private cloud. With advanced user management, control access for team members.

Our developer-first platform is flexible enough to power all of your customer-facing integrations. Vessel regularly handles terabytes of data and billions of API calls. Vessel is proud to be SOC2 compliant, demonstrating our commitment to maintaining the highest level of security and trust in our operations. Data is encrypted in transit and at rest using industry-standard encryption protocols.

Ship the integrations your customers and prospects need now and watch your revenue soar, without compromising your core product. Deliver secure, deep and powerful integrations for all kinds of use cases with advanced observability and security features. We never store your customers' data, plus, you can even securely store your customers' OAUTH2 access tokens in your AWS Secrets Manager account. Keep your customers' credentials secure with OAUTH2 authentication while giving your customers full control to revoke access tokens anytime. Take charge of branding and security by using your OAUTH2 client IDS and secrets, giving your application full autonomy over authorization pages and access tokens. Skip the headache of juggling different APIs and complex data transformations. Simplify your integration process with one API and one data model.

Standardize API interactions with our unified data models. Streamline your development process and eliminate the need to manage heterogeneous APIs. Fetch data directly from APIs in real-time when needed, or leverage StackOne's continuous batch sync which does the heavy lifting for you. Read or write in-depth data about employees, employment, or even payroll, and trigger actions on new hires or promotions, regardless of your customers' HR software. Detect new candidate applications in real time. Read or write detailed data about candidates, interview history, and offers, regardless of your customers' ATS. Synchronize your customers' contacts, accounts, or even opportunities with your SaaS product regardless of the CRM they use, or trigger actions on deal stage changes.

Deliver the integrations your customers are asking for in no time — build on Kombo's unified API to unlock an ever-growing suite of HR and ATS integrations. Enable your customers to connect any tool with your product by integrating Kombo's simple and unified API once. Profit from the ever-growing number of integrations. Every tool works the same in Kombo's unified API. Don't worry about handling edge cases anymore. Kombo will let you know about any data changes in connected systems, even if they don't support webhooks. Let your users connect their tools in our prebuilt connection flow with a step-by-step guide. Map custom fields into a unified schema and turn off fields or models you don't need.

Bindbee is the data infrastructure for employment systems. B2B tech companies power HRIS, payroll, and ATS integrations with Bindbee's unified API. Enroll employees, dependents, plans, and carrier information automatically. Automate your user lifecycle by syncing the employee roster with HRIS. Get details like applications, jobs, resumes, etc. for assessment and BGV. Get accurate pay data with deductions and contributions from multiple payroll systems. Get data like hours worked, breaks, time off, and balances for managing leave and payroll. Integrate with any employment app in less than 5 minutes. Troubleshoot integrations without looking at the code. Embed all integrations in your UI with your brand assets. Bindbee is SOC 2, ISO, GDPR & HIPAA compliant to keep your customers' data secure. Deploy our stack on your cloud and reduce the time spent on IT scrutiny. Host your customer data in the geography of your choice.

Refold.ai offers enterprise-grade AI integration agents designed to automate complex workflows and manage legacy systems like SAP, Oracle Fusion, and Workday Finance. Their AI agents handle custom logic, unpredictable APIs, and integration challenges so teams can focus on product development instead of manual system work. The platform features memory graphs, real-time adaptation, and auto-fixing workflows that enable effortless scaling and robust integration lifecycle automation. Refold supports cloud and on-premise deployment across AWS, GCP, Azure, and air-gapped environments. Trusted by leading companies, Refold reduces integration bottlenecks, accelerating enterprise sales and cutting total cost of ownership by over 50%. It’s built for solution engineering, professional services, product teams, and AI teams needing seamless, scalable integrations.

HR software companies choose Flexspring for faster, more cost-effective data integration. Boost HR software sales by easily integrating your application within any customer's workflow. Gain a faster, more cost-effective way to provide turnkey and custom data integrations to your customers. No internal IT resources are needed to create a data integration. The experts at Flexspring create turnkey connectors for you and handle all custom integrations. Enjoy an iPaaS with unlimited flexibility that easily handles the complex requirements of HR data integration. Take advantage of our flexible pricing model. Pay only for the integration use cases you need or pay for the entire platform. Choose the customer experience that's best for your customers. Provide your customers with hands-free, point-to-point integrations that do not require manual interventions, do not store data, and meet enterprise-level security standards.